boxesAndCircles
.5 +- .4 => 1x1
.5 +- .6 => 3x3
.5 +- .8 => 3x3
.0 +- .4 => 2x2
.0 +- .6 => 2x2
.0 +- .8 => 2x2

.5 r .4 => 1x1
.5 r .6 => 1x1
.5 r .8 => 1x1
.0 r .4 => 0x0
.0 r .6 => 0x0
.0 r .8 => 2x2